Fire crews have confirmed that one person was killed and four were injured in a high-rise fire in New Haven, CT. Two residents and two firefighters were among the injured.

The fire started on the sixth floor around 4:31am. The blaze was upgraded to a three-alarm around 5am. There was heavy smoke, but the fire was able to be controlled within 45 minutes. Firefighters are still on the scene cleaning up and removing equipment.

The cause of the fire is still under investigation.

The 16 story high-rise was built in 1958. There are no officials reports on fire protection yet, but typically, buildings built before the 1970s are grandfathered in and do not have fire sprinklers. This building likely did not have fire sprinklers, which explains the fire death and injuries. However, this has not been confirmed yet.